Home / 15,483.61-21,376.25-10,193.81

Finding the Fourth Proportional to 15,483.61, 21,376.25 and 10,193.81

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Solution

The fourth proportional to 15,483.61, 21,376.25 and 10,193.81 is: 14,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.61 : 21,376.25 = 10,193.81 : x
  2. Step 2: Convert to fraction form
    15,483.61/21,376.25 = 10,193.81/x
  3. Step 3: Cross multiply
    15,483.61x = 21,376.25 × 10,193.81
  4. Step 4: Simplify right side
    15,483.61x = 217,905,431.01
  5. Step 5: Solve for x
    x = 217,905,431.01/15,483.61
  6. Step 6: Final answer
    x = 14,073.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.